mod / port of mame 0.97, created by repuken2 in which can now run 
simpsoms arcade roms as, among other roms classic vendetta, not that it is very fluid, but at least I can run other emulators arcade roms that are not running or no support. 

test: CFW PSP slim 6.60-1.4 ME 

video demonstration: 

http://www.youtube.com/watch?v=_fLxOFD_oXc 

Controls 

in the main menu: 

-L = settings 
-O = select game 
- / \ = Exit to XMB 

in the game: 

-L = game settings 
-R = pause 
-pad/joystick = addresses 
-Select = insert credits 
-Start = start 
- / \ = Action 
-O = Jump / other 
-X = magic / bombs / etc 
-L + R + start 2 times, then O = return to the game selection menu 

installation: 

unpack the zip into ms0 :/ PSP / GAME / in the case of PSPgo EF0 :/ PSP / GAME / 

Note: 

is a pack consisting of 3 emulators which will support different roms, to see the list of supported roms, emulators to execute vast and locked into listado.yo mame roms I tested v1.41 and swallows without any problems not ask for roms / bios. 

tested roms list, all in default settings: 

vol1: 

- Aliens = choppy sound but playable 
- Asterix = very slow and bad sound 
- Blood bros = choppy sound but playable 
- Crude buster = choppy sound but playable 
- Crime fighters = 100% playable 
- Gang busters = choppy sound but playable 
- The simpsons = choppy sound but playable 
- Splatter screen house = reverse, slow, bad sound and unplayable 
- Sunset riders = slow, choppy sound, playable 
- Tmnt = choppy sound but playable 
- Tmnt2 = slow, choppy sound, playable, the SNES is the same and will be full 
- Toki = choppy sound, a little slow but playable 
- Vendetta = choppy sound, playable vastante slow but better without sound 
- X-men = choppy sound, playable vastante slow but better without sound 

vol2: 

- Caveman ninja = choppy sound, a little slow but playable 
- Football champ = choppy sound, very slow 
- Hammerin harry = choppy sound, a little slow but playable 
- Hook = choppy sound, a little slow but playable 
- Robocop = choppy sound but playable 
- Robocop 2 = choppy sound, a little slow but playable 
- R-type leo = choppy sound, a little slow but playable 
- Xain'd Sleena sound = very bad to very slow and unplayable 

vol3: 

- Captain america ... = Sound choppy but playable 
- Mug smashers = choppy sound but playable 
- Playable tetris = 100% (slightly accelerated sound) 